.Material:Iron.Color: Silver .Age:﹥3 years old
.Metal brain teaser condenses with traditional Chinese culture and they are quite interesting
.This design of the puzzle looks like so simple and insignificant, but actually its solution is quite complex which is a big challenge to you
.Disentanglement puzzle that will challenge your patience and skill
.It can not only provide us with a positive way of recreation and rest to release heavy stress, but also practise our intelligence a lot, make our more clever and confident.Top Quality Children's Item, suitable for adults as well